From patchwork Thu Mar 31 11:23:37 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shannon Zhao X-Patchwork-Id: 64760 Delivered-To: patch@linaro.org Received: by 10.112.199.169 with SMTP id jl9csp95601lbc; Thu, 31 Mar 2016 04:25:27 -0700 (PDT) X-Received: by 10.98.18.28 with SMTP id a28mr21115942pfj.145.1459423526278; Thu, 31 Mar 2016 04:25:26 -0700 (PDT) Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id ew7si13568861pad.131.2016.03.31.04.25.26; Thu, 31 Mar 2016 04:25:26 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756439AbcCaLZW (ORCPT + 29 others); Thu, 31 Mar 2016 07:25:22 -0400 Received: from szxga02-in.huawei.com ([119.145.14.65]:60028 "EHLO szxga02-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755857AbcCaLZK (ORCPT ); Thu, 31 Mar 2016 07:25:10 -0400 Received: from 172.24.1.60 (EHLO szxeml428-hub.china.huawei.com) ([172.24.1.60]) by szxrg02-dlp.huawei.com (MOS 4.3.7-GA FastPath queued) with ESMTP id DEL54444; Thu, 31 Mar 2016 19:25:07 +0800 (CST) Received: from HGHY1Z002260041.china.huawei.com (10.177.16.142) by szxeml428-hub.china.huawei.com (10.82.67.183) with Microsoft SMTP Server id 14.3.235.1; Thu, 31 Mar 2016 19:24:57 +0800 From: Shannon Zhao To: , , CC: , , , , , , , , , Subject: [PATCH v9 09/17] xen/hvm/params: Add a new delivery type for event-channel in HVM_PARAM_CALLBACK_IRQ Date: Thu, 31 Mar 2016 19:23:37 +0800 Message-ID: <1459423425-1220-10-git-send-email-zhaoshenglong@huawei.com> X-Mailer: git-send-email 1.9.0.msysgit.0 In-Reply-To: <1459423425-1220-1-git-send-email-zhaoshenglong@huawei.com> References: <1459423425-1220-1-git-send-email-zhaoshenglong@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.177.16.142] X-CFilter-Loop: Reflected X-Mirapoint-Virus-RAPID-Raw: score=unknown(0), refid=str=0001.0A0B0204.56FD0913.0143, ss=1, re=0.000, recu=0.000, reip=0.000, cl=1, cld=1, fgs=0, ip=0.0.0.0, so=2013-06-18 04:22:30, dmn=2013-03-21 17:37:32 X-Mirapoint-Loop-Id: b703ada84ae64654decd23e0cca80684 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Shannon Zhao This new delivery type which is for ARM shares the same value with HVM_PARAM_CALLBACK_TYPE_VECTOR which is for x86. val[15:8] is flag: val[7:0] is a PPI. To the flag, bit 8 stands the interrupt mode is edge(1) or level(0) and bit 9 stands the interrupt polarity is active low(1) or high(0). Signed-off-by: Shannon Zhao Acked-by: Stefano Stabellini --- include/xen/interface/hvm/params.h | 13 +++++++++++++ 1 file changed, 13 insertions(+) -- 2.0.4 diff --git a/include/xen/interface/hvm/params.h b/include/xen/interface/hvm/params.h index 70ad208..4d61fc5 100644 --- a/include/xen/interface/hvm/params.h +++ b/include/xen/interface/hvm/params.h @@ -47,11 +47,24 @@ * Domain = val[47:32], Bus = val[31:16] DevFn = val[15:8], IntX = val[1:0] */ +#if defined(__i386__) || defined(__x86_64__) #define HVM_PARAM_CALLBACK_TYPE_VECTOR 2 /* * val[7:0] is a vector number. Check for XENFEAT_hvm_callback_vector to know * if this delivery method is available. */ +#elif defined(__arm__) || defined(__aarch64__) +#define HVM_PARAM_CALLBACK_TYPE_PPI 2 +/* + * val[55:16] needs to be zero. + * val[15:8] is interrupt flag of the PPI used by event-channel: + * bit 8: the PPI is edge(1) or level(0) triggered + * bit 9: the PPI is active low(1) or high(0) + * val[7:0] is a PPI number used by event-channel. + * This is only used by ARM/ARM64 and masking/eoi the interrupt associated to + * the notification is handled by the interrupt controller. + */ +#endif #define HVM_PARAM_STORE_PFN 1 #define HVM_PARAM_STORE_EVTCHN 2